#include "oled.h"
#include "oledfont.h"          //头文件
#include "hal_data.h"
#include "stdint.h"

uint8_t CMD_Data[]={
0xAE,
0x00,
0x10,
0x40,
0xB0,
0x81,
0xFF,
0xA1,
0xA6,
0xA8,
0x3F,
0xC8,
0xD3,
0x00,
0xD5,
0x80,
0xD8,
0x05,
0xD9,
0xF1,
0xDA,
0x12,
0xD8,
0x30,
0x8D,
0x14,
0xAF
};      //初始化命令



extern fsp_err_t err;
extern int  timeout_ms;
extern  i2c_master_event_t i2c_event ;



void WriteCmd(void)
{
    uint8_t i = 0;
    uint8_t ii[2]={0x00,0x00};

    for(i=0;i<27;i++)
    {
        ii[1]=CMD_Data[i];
        err = R_SCI_I2C_Write(&g_i2c0_ctrl, ii, 0x02, true);

        assert(FSP_SUCCESS == err);



        /* Since there is nothing else to do, block until Callback triggers*/
        while ((I2C_MASTER_EVENT_TX_COMPLETE != i2c_event) && timeout_ms>0)
        {
            R_BSP_SoftwareDelay(1U, BSP_DELAY_UNITS_MICROSECONDS);
            timeout_ms--;
        }

        if (I2C_MASTER_EVENT_ABORTED == i2c_event)
        {
            __BKPT(0);
        }
        /* Read data back from the I2C slave */
        i2c_event = I2C_MASTER_EVENT_ABORTED;
        timeout_ms           = 100;


    }
}

    //向设备写控制命令
    void OLED_WR_CMD(uint8_t cmd)
    {
        uint8_t ii[2]={0x00,0x00};

        ii[1]=cmd;
        err = R_SCI_I2C_Write(&g_i2c0_ctrl, ii, 0x02, true);

        assert(FSP_SUCCESS == err);
        /* Since there is nothing else to do, block until Callback triggers*/
        //while ((I2C_MASTER_EVENT_TX_COMPLETE != i2c_event) && timeout_ms)
        while ((I2C_MASTER_EVENT_TX_COMPLETE != i2c_event) && timeout_ms>0)
        {
            R_BSP_SoftwareDelay(1U, BSP_DELAY_UNITS_MICROSECONDS);
            timeout_ms--;
        }

        if (I2C_MASTER_EVENT_ABORTED == i2c_event)
        {
            __BKPT(0);
        }
        /* Read data back from the I2C slave */
        i2c_event = I2C_MASTER_EVENT_ABORTED;
        timeout_ms           = 100;

    }
    //向设备写数据
    void OLED_WR_DATA(uint8_t data)
    {
        uint8_t ii[2]={0x40,0x00};
        ii[1]=data;
        err = R_SCI_I2C_Write(&g_i2c0_ctrl, ii, 0x02, true);

        assert(FSP_SUCCESS == err);
        /* Since there is nothing else to do, block until Callback triggers*/
        while ((I2C_MASTER_EVENT_TX_COMPLETE != i2c_event) && timeout_ms>0)
        {
            R_BSP_SoftwareDelay(1U, BSP_DELAY_UNITS_MICROSECONDS);
            timeout_ms--;
        }
        if (I2C_MASTER_EVENT_ABORTED == i2c_event)
        {
            __BKPT(0);
        }
        /* Read data back from the I2C slave */
        i2c_event = I2C_MASTER_EVENT_ABORTED;
        timeout_ms           = 100;
    }





    //清屏
void OLED_Clear(void)
{
    uint8_t i,n;
    for(i=0;i<8;i++)
    {
        OLED_WR_CMD(0xb0+i);//设置页地址（0~7）
        OLED_WR_CMD (0x00); //设置显示位置—列低地址
        OLED_WR_CMD (0x10); //设置显示位置—列高地址
        for(n=0;n<128;n++)
            OLED_WR_DATA(0);//更新显示
        }


/*
    for(i=0; i<27; i++)
    {
        HAL_I2C_Mem_Write(&hi2c1 ,0x78,0x00,I2C_MEMADD_SIZE_8BIT,CMD_Data+i,1,0x100);
    }

    */
}


//开启OLED显示
void OLED_Display_On(void)
{
    OLED_WR_CMD(0X8D);  //SET DCDC命令
    OLED_WR_CMD(0X14);  //DCDC ON
    OLED_WR_CMD(0XAF);  //DISPLAY ON
}
//关闭OLED显示
void OLED_Display_Off(void)
{
    OLED_WR_CMD(0X8D);  //SET DCDC命令
    OLED_WR_CMD(0X10);  //DCDC OFF
    OLED_WR_CMD(0XAE);  //DISPLAY OFF
}


//坐标设置
void OLED_Set_Pos(uint8_t x, uint8_t y)
{
    OLED_WR_CMD(0xb0+y);
    OLED_WR_CMD(((x&0xf0)>>4)|0x10);
    OLED_WR_CMD(x&0x0f);
}



void OLED_On(void)
{
    uint8_t i,n;
    for(i=0;i<8;i++)
    {
        OLED_WR_CMD(0xb0+i);    //设置页地址（0~7）
        OLED_WR_CMD(0x00);      //设置显示位置—列低地址
        OLED_WR_CMD(0x10);      //设置显示位置—列高地址
        for(n=0;n<128;n++)
            OLED_WR_DATA(1);
    } //更新显示
}
unsigned int oled_pow(uint8_t m,uint8_t n)
{
    unsigned int result=1;
    while(n--)result*=m;
    return result;
}
//显示2个数字
//x,y :起点坐标
//len :数字的位数
//size:字体大小
//mode:模式   0,填充模式;1,叠加模式
//num:数值(0~4294967295);
void OLED_ShowNum(uint8_t x,uint8_t y,unsigned int num,uint8_t len,uint8_t size2)
{
    uint8_t t,temp;
    uint8_t enshow=0;
    for(t=0;t<len;t++)
    {
        temp=(num/oled_pow(10,len-t-1))%10;
        if(enshow==0&&t<(len-1))
        {
            if(temp==0)
            {
                OLED_ShowChar(x+(size2/2)*t,y,' ',size2);
                continue;
            }else enshow=1;

        }
        OLED_ShowChar(x+(size2/2)*t,y,temp+'0',size2);
    }
}




//在指定位置显示一个字符,包括部分字符
//x:0~127
//y:0~63
//mode:0,反白显示;1,正常显示
//size:选择字体 16/12
void OLED_ShowChar(uint8_t x,uint8_t y,uint8_t chr,uint8_t Char_Size)
{
    unsigned char c=0,i=0;
        c=chr-' ';//得到偏移后的值
        if(x>128-1)
        {
            x=0;
            y=y+2;
        }
        if(Char_Size ==16)
            {
            OLED_Set_Pos(x,y);
            for(i=0;i<8;i++)
                OLED_WR_DATA(F8X16[c*16+i]);
            OLED_Set_Pos(x,y+1);
            for(i=0;i<8;i++)
                OLED_WR_DATA(F8X16[c*16+i+8]);
            }
            else {
                OLED_Set_Pos(x,y);
                for(i=0;i<6;i++)
                OLED_WR_DATA(F6x8[c][i]);

            }
}

//显示一个字符号串
void OLED_ShowString(uint8_t x,uint8_t y,uint8_t *chr,uint8_t Char_Size)
{
    unsigned char j=0;
    while (chr[j]!='\0')
    {
        OLED_ShowChar(x,y,chr[j],Char_Size);//一次显示一个字符
            x+=8;
        if(x>120){x=0;y+=2;}
            j++;
    }
}




//显示汉字
//hzk 用取模软件得出的数组
void OLED_ShowCHinese(uint8_t x,uint8_t y,uint8_t no)
{
    uint8_t t,adder=0;
//定位（0xbx,x为第几行。0x1x ,x为列地址 高四位；0x0x，x为列地址第4位。
//比如你想定 位到第3行，第126(0x7e)列，就要写WrCmd(0xb3);WrCmd(0x17);WrCmd(0x0e);）
    OLED_Set_Pos(x,y);
    for(t=0;t<16;t++)
        {
                OLED_WR_DATA(Hzk[2*no][t]);
                adder+=1;
     }
        OLED_Set_Pos(x,y+1);
    for(t=0;t<16;t++)
            {
                OLED_WR_DATA(Hzk[2*no+1][t]);
                adder+=1;
      }
}





//--------------------------------------------------------------
// Prototype      : void OLED_DrawBMP(unsigned char x0,unsigned char y0,unsigned char x1,unsigned char y1,unsigned char BMP[]);
// Calls          :
// Parameters     : x0,y0 -- 起始点坐标(x0:0~127, y0:0~7); x1,y1 -- 起点对角线(结束点)的坐标(x1:1~128,y1:1~8)
// Description    : 显示BMP位图
//--------------------------------------------------------------
void OLED_DrawBMP(unsigned char x0,unsigned char y0,unsigned char x1,unsigned char y1,unsigned char BMP[])
{
    unsigned int j=0;
    unsigned char x,y;

  if(y1%8==0)
        y = y1/8;
  else
        y = y1/8 + 1;
    for(y=y0;y<y1;y++)
    {
        OLED_Set_Pos(x0,y);
    for(x=x0;x<x1;x++)
        {
        OLED_WR_DATA(BMP[j++]);
        }
    }
}
